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Finding the Fourth Proportional to 125,576.84, 173,292.72 and 68,988.32

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Solution

The fourth proportional to 125,576.84, 173,292.72 and 68,988.32 is: 95,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,576.84 : 173,292.72 = 68,988.32 : x
  2. Step 2: Convert to fraction form
    125,576.84/173,292.72 = 68,988.32/x
  3. Step 3: Cross multiply
    125,576.84x = 173,292.72 × 68,988.32
  4. Step 4: Simplify right side
    125,576.84x = 11,955,173,621.03
  5. Step 5: Solve for x
    x = 11,955,173,621.03/125,576.84
  6. Step 6: Final answer
    x = 95,202.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.